<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 内容卡片 -->
        <el-card>
            <el-row>
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" class="input-with-select" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddGoods">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- 表格 -->
            <el-table :data="goodsList" style="width: 100%" border stripe>
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column prop="goods_name" label="商品名称"></el-table-column>
                <el-table-column prop="goods_price" label="商品价格(元)" width="120px"></el-table-column>
                <el-table-column prop="goods_weight" label="商品重量" width="80px"></el-table-column>
                <el-table-column label="创建时间" width="140px">
                    <template slot-scope="scope">
                        {{scope.row.upd_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column width="120px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeGoods(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data() {
        return {
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            goodsList: [],
            total: 0
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        // 获取商品列表
        async getGoodsList() {
            const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
            if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
            this.goodsList = res.data.goods
            this.total = res.data.total
            console.log(res)
        },
        // 改变页面显示的数据条数
        handleSizeChange(val) {
            this.queryInfo.pagesize = val
            this.getGoodsList()
        },
        // 改变当前显示的页数
        handleCurrentChange(val) {
            this.queryInfo.pagenum = val
            this.getGoodsList()
        },
        // 删除商品
        async removeGoods(id) {
            const { data: res } = await this.$http.delete(`goods/${id}`)
            if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
            this.$message.success(res.meta.msg)
            this.getGoodsList()
        },
        // 跳转到添加商品页面
        goAddGoods() {
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style lang="less" scoped>
    .el-col {
        margin-right: 20px;
    }
</style>